205657400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1065

約数の個数: 96

約数和(自身を含む): 521685360

約数和(自身を除く): 316027960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 83, 100, 104, 130, 166, 200, 260, 325, 332, 415, 520, 650, 664, 830, 953, 1079, 1300, 1660, 1906, 2075, 2158, 2600, 3320, 3812, 4150, 4316, 4765, 5395, 7624, 8300, 8632, 9530, 10790, 12389, 16600, 19060, 21580, 23825, 24778, 26975, 38120, 43160, 47650, 49556, 53950, 61945, 79099, 95300, 99112, 107900, 123890, 158198, 190600, 215800, 247780, 309725, 316396, 395495, 495560, 619450, 632792, 790990, 1028287, 1238900, 1581980, 1977475, 2056574, 2477800, 3163960, 3954950, 4113148, 5141435, 7909900, 8226296, 10282870, 15819800, 20565740, 25707175, 41131480, 51414350, 102828700, 205657400]

約数ペア:

[(1, 205657400), (2, 102828700), (4, 51414350), (5, 41131480), (8, 25707175), (10, 20565740), (13, 15819800), (20, 10282870), (25, 8226296), (26, 7909900), (40, 5141435), (50, 4113148), (52, 3954950), (65, 3163960), (83, 2477800), (100, 2056574), (104, 1977475), (130, 1581980), (166, 1238900), (200, 1028287), (260, 790990), (325, 632792), (332, 619450), (415, 495560), (520, 395495), (650, 316396), (664, 309725), (830, 247780), (953, 215800), (1079, 190600), (1300, 158198), (1660, 123890), (1906, 107900), (2075, 99112), (2158, 95300), (2600, 79099), (3320, 61945), (3812, 53950), (4150, 49556), (4316, 47650), (4765, 43160), (5395, 38120), (7624, 26975), (8300, 24778), (8632, 23825), (9530, 21580), (10790, 19060), (12389, 16600)]